func New

Description

New returns a new SecureCookie.

hashKey is required, used to authenticate values using HMAC. Create it using
GenerateRandomKey(). It is recommended to use a key with 32 or 64 bytes.

blockKey is optional, used to encrypt values. Create it using
GenerateRandomKey(). The key length must correspond to the block size
of the encryption algorithm. For AES, used by default, valid lengths are
16, 24, or 32 bytes to select AES-128, AES-192, or AES-256.